/***************************************************************************
 *   Copyright (C) 2008/2009/2014 by Philipp Müller                        *
 *   philipp.mueller@gmx.de                                                *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA          *
 ***************************************************************************/

#ifndef CHANNELLISTMODEL_H
#define CHANNELLISTMODEL_H

#include <QAbstractListModel>

#include "vdr.h"

class VompRemote;

/**
        @author Philipp Müller <philipp.mueller@gmx.de>
        List model for the channel list
*/

class ChannelListModel : public QAbstractListModel
{
        Q_OBJECT

    public:
        enum ColumnNames
        {
            ChannelName = 0,
            ChannelNumber,
            ChannelIcon,
            EpgTime,
            EpgTitle,
            ChannelColumnsLast, //Contains the numbers of columns
        };

        enum ChannelRoles
        {
            ChannelNumberRole = Qt::UserRole,
            ChannelNameRole,

            ChannelEpgTriggerUpdate,

            ChannelEpgTitleRole,
            ChannelEpgTitleNextRole,
            ChannelEpgSubTitleRole,
            ChannelEpgDescriptionRole,
            ChannelEpgTimeRole,
            ChannelEpgTimeFromToRole,
            ChannelEpgTimeFromRole,
            ChannelEpgTimeFromNextRole,
            ChannelEpgDurationRole,
            ChannelEpgProgressRole,

            EpgCurrentSelectionTime,
            EpgCurrentTime,
        };

        explicit ChannelListModel( VompRemote * mainWindow, QObject *parent = 0 );

        int rowCount( const QModelIndex &parent = QModelIndex() ) const;
        int columnCount( const QModelIndex &parent = QModelIndex() ) const;

        QVariant data( const QModelIndex &index, int role = Qt::DisplayRole ) const;

        bool insertRows( int position, int rows, const QModelIndex &index = QModelIndex() );
        bool removeRows( int position, int rows, const QModelIndex &index = QModelIndex() );

        void epgDataChanged( int row );

        /** Returns the time in the format hh:mm - hh:mm for the row row and item item in the epgList */
        QString timeFromTo( int row, int item ) const;


    signals:
        void getSchedule( quint32 channel ) const;
        void getSchedule( quint32 channel, QDateTime time, quint32 duration ) const;
        void epgListChanged( int row ) const;

    public slots:
        void updateSchedule( quint32 channel, const ScheduleList & schedules );

        /** Sgnaled by QML to inform which channels are visible and possibly need update */
        void triggerEpgUpdate( int channelItemFrom, int channelItemTo );

    protected:
        QHash<int, QByteArray> roleNames() const;

    private:
        void updateEpgStatus( int row ) const;
        VompRemote * m_mainWindow;
};

#endif // CHANNELLISTMODEL_H
